Add contrib groupnorm #22443

Job	Run time
Check if image exists in registry	5s
licensing	5m 46s
linux (ubuntu-20.04, debug)	50m 9s
cancel	3s
linux (ubuntu-20.04, release)	8m 8s
linux-fpga (ubuntu-20.04, debug)	47m 29s
misspell	15s
linux (ubuntu-20.04, codecov)	9m 47s
pyflakes	3m 25s
Build SLES image	0s
Build image	0s
cppcheck	57m 59s
sles	2m 42s
tidy	34m 14s
format	5m 29s
	3h 45m 31s

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